MDPI (Multidisciplinary Digital Publishing Institute) is an academic open-access publisher with headquarters in Basel, Switzerland. Additional offices are located in Beijing and Wuhan (China), Barcelona (Spain) as well as in Belgrade (Serbia). MDPI publishes 173 diverse peer-reviewed, scientific, open access, electronic journals. Our publishing activities are supported by more than 12,800 active scientists and academic editors on our journals’ international editorial boards, including several Nobelists. More than 216,400 individual authors have already published with MDPI. MDPI.com receives more than 4.2 million monthly webpage views.